3. Operation of the Control Panel Active Supervisory Signal Mode of Operation
30 NFS-640 Operations Manual P/N 51334:B 10/03/2003
If Non-latching Type Code Displays
Some Supervisory Type Codes do not latch the control panel. (Refer to Table 6 for a list of these type
codes). The control panel automatically returns to normal operation, when you correct the condition that
activates the supervisory point. If the control panel indicates a non-latching supervisory point, take the
following action:
Note: If a fire alarm exists, and there are silenced alarms (the SIGNALS SILENCED LED is lighted), a Supervisory alarm
will resound the panel sounder.
1. Press the ACKNOWLEDGE/SCROLL DISPLAY key to silence the panel sounder and switch the
SUPERVISORY LED from flashing to steady—regardless of the number of troubles, alarms, and
supervisory signals. The control panel sends a Supervisory message to the History buffer and
installed printers, terminal mode LCD-80s, and CRT-2s.
2. Correct the condition that activated the supervisory point.
3. The control panel automatically returns to normal operation (indicated by the “System Normal”
message) and the control panel sends a “System Normal” message to the LCD display, History
buffer and installed printers, terminal mode LCD-80s, and CRT-2s.
How to Interpret Supervisory Type Codes
The Type Code that displays in the Supervisory message indicates the function of the point that initiates
the Supervisory. For example, a monitor module with a
TAMPER Type Code means that the monitor
module connects to a tamper switch.
Type Codes that can appear in an Supervisory message:
Table 6 Supervisory Type Codes
Monitor Modules
Type Code
Latching
(Y/N)
Purpose What it does
WATERFLOW S Y Indicates supervisory condition for activated waterflow switch Lights SUPERVISORY LED and activates CBE
RF SUPERVSRY N Monitors a radio frequency device Lights
SUPERVISORY LED and activates CBE
LATCH SUPERV Y Indicates latching supervisory condition Lights
SUPERVISORY LED and activates CBE
TRACK SUPERV N Indicates tracking supervisory condition Lights
SUPERVISORY LED and activates CBE
SPRINKLR SYS Y Indicates activation of sprinkler system Lights
SUPERVISORY LED and activates CBE
TAMPER Y Indicates activation of tamper switch Lights
SUPERVISORY LED and activates CBE
Detectors
SUP.T(DUCTI)* N Ion detector that indicates supervisory (non-alarm) condition Lights SUPERVISORY LED and activates CBE
SUP.L(DUCTI) Y Ion detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUP.T(DUCTP)* N Photo detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUP.L(DUCTP) Y Photo detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUPT(PHOTO)* N Photo detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUP.L(PHOTO) Y Photo detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUP.T(ION)* N Ion detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
SUP.L(ION) Y Ion detector that indicates supervisory (non-alarm) condition Lights
SUPERVISORY LED and activates CBE
*Not suitable for Canadian applications.
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